<?php

class DocumentsController extends Controller {
    /**
     * @var string the default layout for the views. Defaults to 'column2', meaning
     * using two-column layout. See 'protected/views/layouts/column2.php'.
     */
    public $layout='column2';

    /**
     * @var CActiveRecord the currently loaded data model instance.
     */
    private $_model;

    /**
     * @return array action filters
     */


    /**
     * Displays a particular model.
     */
    public function actionView() {

        $model=new Coments;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if(isset($_POST['Coments'])) {
            $model->attributes=$_POST['Coments'];
            $model->id_name='doc';
            $model->id_post=$_GET['id'];
            $model->autor=Yii::app()->user->name;
            if($model->save())
                $this->redirect(array('view','id'=>$_GET['id']));
        }

        $criteria=new CDbCriteria;
        $criteria->condition='id_name=:id_name AND id_post=:id_post';
        $criteria->params=array(':id_name'=>'doc', ':id_post'=>$_GET['id']);

        $dataProvider=new CActiveDataProvider('Coments',array(
                        'criteria'=>$criteria,
        ));

        $this->render('view',array(
                'model'=>$this->loadModel(),
                'dataProvider'=>$dataProvider,
                'coment_model'=>$model,
        ));
    }

    /**
     * Creates a new model.
     * If creation is successful, the browser will be redirected to the 'view' page.
     */
    public function actionCreate() {
        if(!Category::model()->count()) {
            $this->redirect(array('index','error'=>1));
        }

        $model=new Documents;

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if(isset($_POST['Documents'])) {
            $model->attributes=$_POST['Documents'];
            $model->autor=Yii::app()->user->name;

            $model->file_name=CUploadedFile::getInstance($model,'file_name');

            $name = explode('.', $model->file_name);

            $new_name = rand(10000000, 99999999);
            while(file_exists(dirname(__FILE__).'/../../../media/doc/'.$new_name.'.'.end($name))) {
                $new_name = rand(10000000, 99999999);
            }
            $model->link = $new_name.'.'.end($name);
            if(!$model->file_name->saveAs(dirname(__FILE__).'/../../../media/doc/'.$new_name.'.'.end($name))) {
                $this->render('create',array(
                        'model'=>$model,
                ));
                return;
            }
            if($model->save())
                $this->redirect(array('view','id'=>$model->id_doc));
        }

        $this->render('create',array(
                'model'=>$model,
        ));
    }

    /**
     * Updates a particular model.
     * If update is successful, the browser will be redirected to the 'view' page.
     */
    public function actionUpdate() {
        $model=$this->loadModel();

        // Uncomment the following line if AJAX validation is needed
        // $this->performAjaxValidation($model);

        if(isset($_POST['Documents'])) {
            $model->attributes=$_POST['Documents'];
            if($model->save())
                $this->redirect(array('view','id'=>$model->id_doc));
        }

        $this->render('update',array(
                'model'=>$model,
        ));
    }

    /**
     * Deletes a particular model.
     * If deletion is successful, the browser will be redirected to the 'index' page.
     */
    public function actionDelete() {
        if(Yii::app()->request->isPostRequest) {
            // we only allow deletion via POST request
            if(file_exists(dirname(__FILE__).'/../../../media/doc/'.$this->loadModel()->link))
                    unlink(dirname(__FILE__).'/../../../media/doc/'.$this->loadModel()->link);
            $this->loadModel()->delete();

            // if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
            if(!isset($_GET['ajax']))
                $this->redirect(array('index'));
        }
        else
            throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
    }

    /**
     * Lists all models.
     */
    public function actionIndex() {
        $dataProvider=new CActiveDataProvider('Documents');
        $this->render('index',array(
                'dataProvider'=>$dataProvider,
        ));
    }

    /**
     * Manages all models.
     */
    public function actionAdmin() {
        $model=new Documents('search');
        if(isset($_GET['Documents']))
            $model->attributes=$_GET['Documents'];

        $this->render('admin',array(
                'model'=>$model,
        ));
    }

    /**
     * Returns the data model based on the primary key given in the GET variable.
     * If the data model is not found, an HTTP exception will be raised.
     */
    public function loadModel() {
        if($this->_model===null) {
            if(isset($_GET['id']))
                $this->_model=Documents::model()->findbyPk($_GET['id']);
            if($this->_model===null)
                throw new CHttpException(404,'The requested page does not exist.');
        }
        return $this->_model;
    }

    /**
     * Performs the AJAX validation.
     * @param CModel the model to be validated
     */
    protected function performAjaxValidation($model) {
        if(isset($_POST['ajax']) && $_POST['ajax']==='documents-form') {
            echo CActiveForm::validate($model);
            Yii::app()->end();
        }
    }
}
